Robert De Niro

David 'Noodles' Aaronson

James Woods

Maximilian 'Max' Bercovicz

Elizabeth McGovern

Deborah Gelly

Treat Williams

James Conway O'Donnell

Tuesday Weld

Carol

Joe Pesci

Frankie Monaldi

Burt Young

Joe

James Hayden

Patrick 'Patsy' Goldberg

William Forsythe

Philip 'Cockeye' Stein

Scott Schutzman Tiler

Young Noodles

Rusty Jacobs

Young Max / David Bailey

Jennifer Connelly

Young Deborah

Brian Bloom

Young Patsy

James Russo

Bugsy

Darlanne Fluegel

Eve

Danny Aiello

Police Chief Vincent Aiello

Richard Bright

Chicken Joe

Frank Gio

Beefy

Mario Brega

Mandy

Richard Foronjy

Officer Whitey

Olga Karlatos

Woman in the Puppet Theatre

Clem Caserta

Al Capuano

Paul Herman

Monkey

Bruno Bilotta

Chinese Theater Spectator (uncredited)

Marcia Jean Kurtz

Max's Mother

Robert Harper

Sharkey

Joey Faye

Adorable Old Man

Tandy Cronyn

Reporter 1

Arnon Milchan

Chauffeur

Estelle Harris

Peggy's Mother

Salvatore Billa

One of Beefy's Thugs (uncredited)

Scott Coffey

Bugsy's Gang (uncredited)

Marco Stefanelli

Bugsy's Gang (uncredited)

Ryan Paris

Speakeasy Patron (uncredited)

Maria Pia Monicelli

Prostitute (uncredited)

Claudio Mancini

Syndacalist (uncredited)

Rossana Canghiari

Speakeasy Patron (uncredited)